Marine Weather Net

Arnold, MD Weather Forecast




Arnold, Maryland

 Lat: 39.04N, Lon: 76.5W

Current Conditions Updated: 554 PM EDT WED MAR 11 2026

Clear


Temp: 69°F
  • Humidity:
  • 67%
  • Winds:
  • 14 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.72 in.
  • Dewpoint:
  • 58°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 7:22 AM EDT
  • Sunset:
  • 7:07 PM EDT
  • Moonrise:
  • 2:46 AM EDT
  • Moonset:
  • 11:36 AM EDT

REST OF THIS AFTERNOON

MOSTLY SUNNY
Hi: 79°F
Lo: 47°F
Precip: 20%

THURSDAY

SNOW SHOWERS
Hi: 49°F
Lo: 31°F
Precip: 90%

FRIDAY

MOSTLY SUNNY
Hi: 51°F
Lo: 41°F

SATURDAY

MOSTLY SUNNY
Hi: 55°F
Lo: 39°F
Weather Forecast In Detail:
Forecast Issued: 457 PM EDT Wed Mar 11 2026

Rest Of This Afternoon...Mostly sunny with isolated showers and thunderstorms. Highs in the upper 70s...Except in the lower 70s near the bay. South winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.
Tonight...Mostly cloudy. Scattered showers and thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms May be severe with damaging winds and large hail. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Thursday...Showers in the morning, then showers with a chance of snow showers in the afternoon. Much cooler with highs in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent.
Thursday Night...Mostly clear. Lows in the lower 30s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening.
Friday...Mostly sunny. Highs in the lower 50s. South winds 15 to 20 mph.
Friday Night...Partly cloudy. Lows in the lower 40s.
Saturday...Mostly sunny. Highs in the mid 50s.
Saturday Night...Mostly cloudy. Lows in the upper 30s.
Sunday...Cloudy. Highs in the mid 50s.
Sunday Night...Rain. Lows around 50. Chance of rain 80 percent.
Monday...Rain. Highs in the mid 60s. Temperature falling into the mid 50s in the afternoon. Chance of rain 80 percent.
Monday Night...Mostly cloudy with a chance of rain. Cooler with lows in the upper 20s. Chance of rain 50 percent.
Tuesday...Mostly sunny. Much cooler with highs around 40.
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